Junwoo started building drones in 2016, which led him to a PX4 internship at Auterion, then a research project at Autonomous Systems Lab, ETH Zurich. After which he has been a part-time development coordinator for Dronecode for the PX4 Autopilot. In 2023 he met Yohan, who has been building a high-altitude guided parafoil system for making radiosondes reusable, which was his passion, and high school project in 2016. Since then he has been focused in realizing this dream, and has joined R2Home.